Vicky came from the mining museum to tell us things about coal. 😃 There are 3 different types of dangerous gases – stink damp, fire damp and dark damp. I liked learning about mining.
Vicky came from the mining museum to tell us things about coal. 😃 There are 3 different types of dangerous gases – stink damp, fire damp and dark damp. I liked learning about mining.
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